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Guest
Guest
Johny wishes to cross the desert, a 7 day trip. Johny and his helpers are able to carry supplies for a maximum of five days.
How many helpers must start out with Johny if he is to cross the desert and his helpers are to either cross with him or return safely to the starting point.
How many helpers must start out with Johny if he is to cross the desert and his helpers are to either cross with him or return safely to the starting point.